<div class="printBar animation-slide-top no-print">
    <button id="btn_print_expimg" type="button" class="btn btn-default">
        <span class="fa fa-print" aria-hidden="true"></span> 存为图片
    </button>
    <button id="btn_print_start" type="button" class="btn btn-default">
        <span class="fa fa-print" aria-hidden="true"></span> 打印
    </button>
    <button id="btn_print_close" type="button" class="btn btn-default">
        <span class="fa fa-remove" aria-hidden="true"></span>
    </button>
</div>